COU to ORD flight delays & on-time performance
Nonstop flights from Columbia Regional Airport to Chicago O'Hare International Airport · 315 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at COU or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Columbia (COU) to Chicago (ORD) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.7% were cancelled, and 12% arrived an hour or more late.
- Envoy Air was the most punctual airline here (77% on time); SkyWest Airlines was the least (69%).
- Departures scheduled around 1pm did best (92% on time); around 7pm did worst (50%).
- Wednesday was the most reliable day to fly (79% on time) and Sunday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from COU to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 77% | 2.9% | 19 min | 9.7% | 1,136 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 69% | 4.8% | 36 min | 15.1% | 840 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am88%345 flights
- 7am68%20 flights
- 8am75%309 flights
- 10am79%211 flights
- 11am69%250 flights
- 1pm92%63 flights
- 2pm70%86 flights
- 3pm67%307 flights
- 4pm86%55 flights
- 5pm56%35 flights
- 6pm65%155 flights
- 7pm50%107 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%5.1% cancelled
- Tuesday71%2.9% cancelled
- Wednesday79%3.4% cancelled
- Thursday77%2.1% cancelled
- Friday73%3.4% cancelled
- Saturday75%4.5% cancelled
- Sunday67%4.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion20%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather70%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)1%
- Security0%
COU to ORD: common questions
- How often are COU to ORD flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Columbia to Chicago cancelled?
- 3.7% of scheduled flights were cancelled (73 of 1,976).
- How long are typical delays?
- Across all flights the average arrival delay was 26 min (early arrivals count as zero). Flights that were late arrived 96 min behind schedule on average, and 12.0% of flights were an hour or more late.
- How long is taxi time at COU?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: COU → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.